From in-class active learning to homework assignments, to secure online quizzes and exams, Aktiv Chemistry’s all-in-one platform provides a comprehensive set of features for formative and summative assessments. ACTIVE cleaners are designed to simplify your cleaning routine while saving money and reducing waste. See what we have to offer! The meaning of ACTIVE is characterized by action rather than by contemplation or speculation. How to use active in a sentence. What is a basic definition of active? Active is an adjective that describes something as involving a lot of energetic work or as engaging in action, operation, or motion. Find fun things to do and upcoming local events in Henderson, NV. Search and register for classes, running & cycling races, leagues, tournaments, camps, and more in Henderson, Nevada. Synonyms for ACTIVE: operating, operational, operative, functioning, running, working, functional, on; Antonyms of ACTIVE: inactive, dead, broken, inoperative, nonoperative, nonfunctional, nonfunctioning, useless Something that is active is characterized by movement and action. That action might be a random or temporary movement, such as someone who is active and exercises only now and then, or something continuous, like an active strain of a virus. Find 189 different ways to say ACTIVE, along with antonyms, related words, and example sentences at Thesaurus.com. When you use active verbs in your written work, rather than passive ones, it sounds clearer and more direct. Active sentences, such as 'The dog chased the cat ', are more concise than passive sentences like 'The cat was chased by the dog '. ACTIVE powers the world’s events and activities and connects people with the things they love to do. Find, register, or learn about races, local events, sports, and things to do near you.